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| BF256A/BF256B/BF256C BF256A/BF256B/BF256C N-Channel RF Amplifiers * This device is designed for VHF/UHF amplifiers. * Sourced from process 50. 1 TO-92 1. Gate 2. Source 3. Drain Absolute Maximum Ratings Ta=25C unless otherwise noted Symbol VDG VGS IGF PD TSTG Parameter Drain-Gate Voltage Gate-Source Voltage Forward Gate Current Total Device Dissipation @TA=25C Derate above 25C Operating and storage Temperature Range Value 30 -30 10 350 2.8 - 55 ~ 150 Units V V mA mW mW/C C Electrical Characteristics Ta=25C unless otherwise noted Symbol Parameter Test Condition VDS = 0, IG = 1A VDS = 15V, ID = 200A VDS = 15V, ID = 10nA VGS = -20V, VGS = 0 Min. -30 -0.5 -0.5 -7.5 -8 -5 Max. Units V V V nA Off Characteristics V(BR)GSS Gate-Source Breakdown Voltage VGS VGS(off) IGSS Gate-Source Gate-Source Cutoff Voltage Gate Reverse Current On Characteristics IDSS Zero-Gate Voltage Drain Current BF256A BF256B BF256C Small Signal Characteristics gfs Common Source Forward Transconductance VGS = 15V, VGS = 0 3 6 11 4.5 7 13 18 mA VDS = 15V, VGS = 0, f = 1KHz mmhos (c)2003 Fairchild Semiconductor Corporation Rev. A, June 2003 BF256A/BF256B/BF256C Package Dimensions TO-92 4.58 -0.15 +0.25 0.46 14.47 0.40 0.10 4.58 0.20 1.27TYP [1.27 0.20] 3.60 0.20 1.27TYP [1.27 0.20] 0.38 -0.05 +0.10 3.86MAX 1.02 0.10 0.38 -0.05 +0.10 (R2.29) (0.25) Dimensions in Millimeters (c)2003 Fairchild Semiconductor Corporation Rev. A, June 2003 TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACExTM FACTTM ActiveArrayTM FACT Quiet seriesTM BottomlessTM FAST(R) FASTrTM CoolFETTM CROSSVOLTTM FRFETTM GlobalOptoisolatorTM DOMETM EcoSPARKTM GTOTM E2CMOSTM HiSeCTM EnSignaTM I2CTM Across the board. Around the world.TM The Power FranchiseTM Programmable Active DroopTM DISCLAIMER ImpliedDisconnectTM ISOPLANARTM LittleFETTM MicroFETTM MicroPakTM MICROWIRETM MSXTM MSXProTM OCXTM OCXProTM OPTOLOGIC(R) OPTOPLANARTM PACMANTM POPTM Power247TM PowerTrench(R) QFETTM QSTM QT OptoelectronicsTM Quiet SeriesTM RapidConfigureTM RapidConnectTM SILENT SWITCHER(R) SMART STARTTM SPMTM StealthTM SuperSOTTM-3 SuperSOTTM-6 SuperSOTTM-8 SyncFETTM TinyLogic(R) TruTranslationTM UHCTM UltraFET(R) VCXTM FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Advance Information Product Status Formative or In Design First Production Definition This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. Preliminary No Identification Needed Full Production Obsolete Not In Production (c)2003 Fairchild Semiconductor Corporation Rev. I2 |
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